/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.felix.service.command;

import java.io.InputStream;
import java.io.PrintStream;

import org.apache.felix.gogo.runtime.Pipe;

public interface Process
{

    class Utils {
        public static Process current() {
            return Pipe.getCurrentPipe();
        }
    }

    InputStream in();

    PrintStream out();

    PrintStream err();

    /**
     * Get the job controlling this process
     * @return Job
     */
    Job job();

    /**
     * Check if the given descriptor for the currently running pipe is the terminal or not.
     * @param fd the fd
     * @return boolean
     */
    boolean isTty(int fd);

    /**
     * Set the error code for the currently running pipe.
     * @param error the error
     */
    void error(int error);

}
